[Bug 36288] New: valgrind shows an invalid read in kernel32/tests/thread.c

https://bugs.winehq.org/show_bug.cgi?id=36288

Bug ID: 36288
           Summary: valgrind shows an invalid read in
                    kernel32/tests/thread.c
           Product: Wine
           Version: 1.7.18
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: [e-mail]
          Reporter: [e-mail]

==29807== Thread 2:
==29807== Invalid read of size 4
==29807==    at 0x4A39EA1: set_test_val (thread.c:944)
==29807==    by 0x7B876351: SleepEx (sync.c:108)
==29807==    by 0x7B87630B: Sleep (sync.c:97)
==29807==    by 0x4A39F11: threadFunc6 (thread.c:952)
==29807==    by 0x7BC87087: ??? (signal_i386.c:2571)
==29807==    by 0x7BC870D0: call_thread_func (signal_i386.c:2630)
==29807==    by 0x7BC87065: ??? (signal_i386.c:2571)
==29807==    by 0x7BC8E4B0: start_thread (thread.c:428)
==29807==    by 0x4EA7BD89: start_thread (in /usr/lib/libpthread-2.18.so)
==29807==    by 0x4E95CA0D: clone (in /usr/lib/libc-2.18.so)
==29807==  Address 0x62ae8e0 is on thread 1's stack
==29807==

[Bug 36288] valgrind shows an invalid read in kernel32/tests/thread.c

https://bugs.winehq.org/show_bug.cgi?id=36288

--- Comment #1 from Austin English  ---
On my laptop, it's:
==28218== Thread 3:
==28218== Invalid read of size 1
==28218==    at 0x4009EB8: strlen (vg_replace_strmem.c:412)
==28218==    by 0x7B875FBC: lstrlenA (string.c:194)
==28218==    by 0x4B2665B: threadFunc1 (thread.c:223)
==28218==    by 0x7BC87137: ??? (signal_i386.c:2571)
==28218==    by 0x7BC87180: call_thread_func (signal_i386.c:2630)
==28218==    by 0x7BC87115: ??? (signal_i386.c:2571)
==28218==    by 0x7BC8E560: start_thread (thread.c:428)
==28218==    by 0x4EA7BD89: start_thread (in /usr/lib/libpthread-2.18.so)
==28218==    by 0x4E95CA0D: clone (in /usr/lib/libc-2.18.so)
==28218==  Address 0xdeadbeef is on thread 1's stack
==28218==

[Bug 36288] valgrind shows an invalid read in kernel32/tests/thread.c

https://bugs.winehq.org/show_bug.cgi?id=36288

--- Comment #2 from Bruno Jesus  ---
(In reply to Austin English from comment #1)
> On my laptop, it's:
> ==28218== Thread 3:
> ==28218== Invalid read of size 1
> ==28218==    at 0x4009EB8: strlen (vg_replace_strmem.c:412)
> ==28218==    by 0x7B875FBC: lstrlenA (string.c:194)
> ==28218==    by 0x4B2665B: threadFunc1 (thread.c:223)
> ==28218==    by 0x7BC87137: ??? (signal_i386.c:2571)
> ==28218==    by 0x7BC87180: call_thread_func (signal_i386.c:2630)
> ==28218==    by 0x7BC87115: ??? (signal_i386.c:2571)
> ==28218==    by 0x7BC8E560: start_thread (thread.c:428)
> ==28218==    by 0x4EA7BD89: start_thread (in /usr/lib/libpthread-2.18.so)
> ==28218==    by 0x4E95CA0D: clone (in /usr/lib/libc-2.18.so)
> ==28218==  Address 0xdeadbeef is on thread 1's stack
> ==28218==

This is expected according to the source code:

222    /* lstrlenA contains an exception handler so this makes sure exceptions
     work in threads */
 223    ok( lstrlenA( (char *)0xdeadbeef ) == 0, "lstrlenA: unexpected
success\n     " );

[Bug 36288] valgrind shows an invalid read in kernel32/tests/thread.c

https://bugs.winehq.org/show_bug.cgi?id=36288

Austin English  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #3 from Austin English  ---
(In reply to Bruno Jesus from comment #2)
> (In reply to Austin English from comment #1)
> > On my laptop, it's:
> > ==28218== Thread 3:
> > ==28218== Invalid read of size 1
> > ==28218==    at 0x4009EB8: strlen (vg_replace_strmem.c:412)
> > ==28218==    by 0x7B875FBC: lstrlenA (string.c:194)
> > ==28218==    by 0x4B2665B: threadFunc1 (thread.c:223)
> > ==28218==    by 0x7BC87137: ??? (signal_i386.c:2571)
> > ==28218==    by 0x7BC87180: call_thread_func (signal_i386.c:2630)
> > ==28218==    by 0x7BC87115: ??? (signal_i386.c:2571)
> > ==28218==    by 0x7BC8E560: start_thread (thread.c:428)
> > ==28218==    by 0x4EA7BD89: start_thread (in /usr/lib/libpthread-2.18.so)
> > ==28218==    by 0x4E95CA0D: clone (in /usr/lib/libc-2.18.so)
> > ==28218==  Address 0xdeadbeef is on thread 1's stack
> > ==28218==
>
> This is expected according to the source code:
>
> 222    /* lstrlenA contains an exception handler so this makes sure
> exceptions      work in threads */
>  223    ok( lstrlenA( (char *)0xdeadbeef ) == 0, "lstrlenA: unexpected
> success\n     " );

Marked as intentonal, thanks.

[Bug 36288] valgrind shows an invalid read in kernel32/tests/thread.c

https://bugs.winehq.org/show_bug.cgi?id=36288

Austin English  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #4 from Austin English  ---
Closing.